4 #include "types.h" // u8
6 #define VESA_SIGNATURE 0x41534556 // VESA
7 #define VBE2_SIGNATURE 0x32454256 // VBE2
12 struct segoff_s oem_string;
14 struct segoff_s video_mode;
17 struct segoff_s oem_vendor_string;
18 struct segoff_s oem_product_string;
19 struct segoff_s oem_revision_string;
23 struct vbe_mode_info {
32 struct segoff_s win_func_ptr;
33 u16 bytes_per_scanline;
61 u16 linear_bytes_per_scanline;
76 struct vbe_crtc_info {
89 /* VBE Return Status Info */
91 #define VBE_RETURN_STATUS_SUPPORTED 0x4F
92 #define VBE_RETURN_STATUS_UNSUPPORTED 0x00
94 #define VBE_RETURN_STATUS_SUCCESSFULL 0x00
95 #define VBE_RETURN_STATUS_FAILED 0x01
96 #define VBE_RETURN_STATUS_NOT_SUPPORTED 0x02
97 #define VBE_RETURN_STATUS_INVALID 0x03
99 /* VBE Mode Numbers */
101 #define VBE_MODE_VESA_DEFINED 0x0100
102 #define VBE_MODE_REFRESH_RATE_USE_CRTC 0x0800
103 #define VBE_MODE_LINEAR_FRAME_BUFFER 0x4000
104 #define VBE_MODE_PRESERVE_DISPLAY_MEMORY 0x8000
106 #define VBE_VESA_MODE_END_OF_LIST 0xFFFF
110 #define VBE_CAPABILITY_8BIT_DAC 0x0001
111 #define VBE_CAPABILITY_NOT_VGA_COMPATIBLE 0x0002
112 #define VBE_CAPABILITY_RAMDAC_USE_BLANK_BIT 0x0004
113 #define VBE_CAPABILITY_STEREOSCOPIC_SUPPORT 0x0008
114 #define VBE_CAPABILITY_STEREO_VIA_VESA_EVC 0x0010
116 /* Mode Attributes */
118 #define VBE_MODE_ATTRIBUTE_SUPPORTED 0x0001
119 #define VBE_MODE_ATTRIBUTE_EXTENDED_INFORMATION_AVAILABLE 0x0002
120 #define VBE_MODE_ATTRIBUTE_TTY_BIOS_SUPPORT 0x0004
121 #define VBE_MODE_ATTRIBUTE_COLOR_MODE 0x0008
122 #define VBE_MODE_ATTRIBUTE_GRAPHICS_MODE 0x0010
123 #define VBE_MODE_ATTRIBUTE_NOT_VGA_COMPATIBLE 0x0020
124 #define VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW 0x0040
125 #define VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE 0x0080
126 #define VBE_MODE_ATTRIBUTE_DOUBLE_SCAN_MODE 0x0100
127 #define VBE_MODE_ATTRIBUTE_INTERLACE_MODE 0x0200
128 #define VBE_MODE_ATTRIBUTE_HARDWARE_TRIPLE_BUFFER 0x0400
129 #define VBE_MODE_ATTRIBUTE_HARDWARE_STEREOSCOPIC_DISPLAY 0x0800
130 #define VBE_MODE_ATTRIBUTE_DUAL_DISPLAY_START_ADDRESS 0x1000
132 #define VBE_MODE_ATTTRIBUTE_LFB_ONLY ( VBE_MODE_ATTRIBUTE_NO_VGA_COMPATIBLE_WINDOW | VBE_MODE_ATTRIBUTE_LINEAR_FRAME_BUFFER_MODE )
134 /* Window attributes */
136 #define VBE_WINDOW_ATTRIBUTE_RELOCATABLE 0x01
137 #define VBE_WINDOW_ATTRIBUTE_READABLE 0x02
138 #define VBE_WINDOW_ATTRIBUTE_WRITEABLE 0x04
142 #define VBE_MEMORYMODEL_TEXT_MODE 0x00
143 #define VBE_MEMORYMODEL_CGA_GRAPHICS 0x01
144 #define VBE_MEMORYMODEL_HERCULES_GRAPHICS 0x02
145 #define VBE_MEMORYMODEL_PLANAR 0x03
146 #define VBE_MEMORYMODEL_PACKED_PIXEL 0x04
147 #define VBE_MEMORYMODEL_NON_CHAIN_4_256 0x05
148 #define VBE_MEMORYMODEL_DIRECT_COLOR 0x06
149 #define VBE_MEMORYMODEL_YUV 0x07
151 /* DirectColorModeInfo */
153 #define VBE_DIRECTCOLOR_COLOR_RAMP_PROGRAMMABLE 0x01
154 #define VBE_DIRECTCOLOR_RESERVED_BITS_AVAILABLE 0x02